[go: up one dir, main page]

CN1675832A - 具有改进控制特性线性的可变增益放大器 - Google Patents

具有改进控制特性线性的可变增益放大器 Download PDF

Info

Publication number
CN1675832A
CN1675832A CNA038192381A CN03819238A CN1675832A CN 1675832 A CN1675832 A CN 1675832A CN A038192381 A CNA038192381 A CN A038192381A CN 03819238 A CN03819238 A CN 03819238A CN 1675832 A CN1675832 A CN 1675832A
Authority
CN
China
Prior art keywords
variable
amplifier
gain
impedance
bias current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA038192381A
Other languages
English (en)
Chinese (zh)
Inventor
W·雷曼-怀特
S·阿加瓦尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1675832A publication Critical patent/CN1675832A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H03F3/3432—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/222—A circuit being added at the input of an amplifier to adapt the input impedance of the amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
CNA038192381A 2002-08-12 2003-08-08 具有改进控制特性线性的可变增益放大器 Pending CN1675832A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US40329302P 2002-08-12 2002-08-12
US60/403,293 2002-08-12
US45594103P 2003-03-19 2003-03-19
US60/455,941 2003-03-19

Publications (1)

Publication Number Publication Date
CN1675832A true CN1675832A (zh) 2005-09-28

Family

ID=31720662

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA038192381A Pending CN1675832A (zh) 2002-08-12 2003-08-08 具有改进控制特性线性的可变增益放大器

Country Status (7)

Country Link
US (1) US7259629B2 (de)
EP (1) EP1550212A2 (de)
JP (1) JP2005536106A (de)
KR (1) KR20050035271A (de)
CN (1) CN1675832A (de)
AU (1) AU2003255887A1 (de)
WO (1) WO2004015859A2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101394519B (zh) * 2007-09-19 2012-01-25 联发科技股份有限公司 增益控制方法以及接收器
WO2014086308A1 (en) * 2012-12-07 2014-06-12 Huawei Technologies Co., Ltd. Gain control method for a broadband inductorless low noise amplifier
CN109845098A (zh) * 2016-08-31 2019-06-04 天工方案公司 具有退化开关块和低损耗旁路功能的多输入放大器

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1713177A1 (de) * 2005-04-15 2006-10-18 Stmicroelectronics Sa Differenzverstärker mit variabler Verstärkung
WO2007014572A1 (de) * 2005-07-29 2007-02-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verstärkerschaltung mit einstellbarer verstärkung
US7492223B2 (en) * 2006-12-06 2009-02-17 Broadcom Corporation Method and system for a highly efficient power amplifier utilizing dynamic biasing and predistortion
US8779857B2 (en) * 2009-08-14 2014-07-15 Qualcomm Incorporated Amplifier with variable matching circuit to improve linearity
CN107408923B (zh) * 2015-02-15 2021-05-28 天工方案公司 具有减小尺寸的多尔蒂功率放大器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512096A (en) * 1967-05-31 1970-05-12 Hitachi Ltd Transistor circuit having stabilized output d.c. level
NL7414217A (nl) * 1974-10-31 1976-05-04 Philips Nv Versterker met signaalniveauregeling.
JPS5398759A (en) * 1977-02-03 1978-08-29 Matsushita Electric Ind Co Ltd Gain control unit
US6049251A (en) * 1998-03-30 2000-04-11 Maxim Integrated Products, Inc. Wide-dynamic-range variable-gain amplifier
US5999056A (en) * 1998-06-30 1999-12-07 Philips Electronics North Amercia Corporation Variable gain amplifier using impedance network
JP3324522B2 (ja) * 1998-09-16 2002-09-17 日本電気株式会社 可変利得増幅回路及び利得制御方法
JP2000124741A (ja) * 1998-10-19 2000-04-28 Oki Electric Ind Co Ltd 増幅回路
JP2000295055A (ja) 1999-04-01 2000-10-20 Matsushita Electric Ind Co Ltd 送信機および受信機
US6211737B1 (en) * 1999-07-16 2001-04-03 Philips Electronics North America Corporation Variable gain amplifier with improved linearity
JP3607855B2 (ja) 1999-07-19 2005-01-05 シャープ株式会社 電力増幅器
JP2001244766A (ja) * 2000-02-25 2001-09-07 Alps Electric Co Ltd 可変利得増幅器

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101394519B (zh) * 2007-09-19 2012-01-25 联发科技股份有限公司 增益控制方法以及接收器
WO2014086308A1 (en) * 2012-12-07 2014-06-12 Huawei Technologies Co., Ltd. Gain control method for a broadband inductorless low noise amplifier
CN104871428A (zh) * 2012-12-07 2015-08-26 华为技术有限公司 宽带无电感低噪声放大器的增益控制方法
US9893693B2 (en) 2012-12-07 2018-02-13 Futurewei Technologies, Inc. Gain control method for a broadband inductorless low noise amplifier
CN104871428B (zh) * 2012-12-07 2018-05-29 华为技术有限公司 宽带无电感低噪声放大器的增益控制方法
US10243527B2 (en) 2012-12-07 2019-03-26 Futurewei Technologies, Inc. Gain control method for a broadband inductorless low noise amplifier
CN109845098A (zh) * 2016-08-31 2019-06-04 天工方案公司 具有退化开关块和低损耗旁路功能的多输入放大器
CN109845098B (zh) * 2016-08-31 2024-02-13 天工方案公司 具有退化开关块和低损耗旁路功能的多输入放大器

Also Published As

Publication number Publication date
AU2003255887A1 (en) 2004-02-25
AU2003255887A8 (en) 2004-02-25
US20050242881A1 (en) 2005-11-03
KR20050035271A (ko) 2005-04-15
EP1550212A2 (de) 2005-07-06
JP2005536106A (ja) 2005-11-24
US7259629B2 (en) 2007-08-21
WO2004015859A2 (en) 2004-02-19
WO2004015859A3 (en) 2004-09-02

Similar Documents

Publication Publication Date Title
US5532646A (en) High frequency power amplifier
CN1628412B (zh) 用于可变增益射频放大器的可变阻抗负载
KR100474371B1 (ko) 선형 이득 제어 증폭기
US7567126B2 (en) Variable gain amplifier and control method thereof
CN1098571A (zh) 具有宽广线性动态范围的温度补偿增益控制放大器
JP3316351B2 (ja) Ａｇｃ装置
CN1433145A (zh) 可切换功率放大器
CN1918790A (zh) 带有自动增益控制的射频低噪声放大器
KR100648379B1 (ko) 가변이득 증폭기 및 가변이득 증폭 모듈
CN1675832A (zh) 具有改进控制特性线性的可变增益放大器
US20040246050A1 (en) Transmission circuit capable of efficiently operating a power amplifier
EP0601888A2 (de) HF-Verstärker mit veränderbarer Verstärkung und linearen Verstärkungssteuerung
US20070146077A1 (en) Radio frequency power amplifier
US4626802A (en) GaAs FET oscillator noise reduction circuit
US7548116B2 (en) High-frequency circuit of reduced circuit scale
CN116192057A (zh) 射频发射电路功率控制电路、方法以及低功耗射频电路
US20230105756A1 (en) Power amplifier
US6262623B1 (en) Log-domain filter having a variable dynamic range window
JPH08111614A (ja) 負帰還可変利得増幅回路および負帰還増幅回路
CN1191676C (zh) 采用异质结双极型晶体管的功率放大器的控制电路
CN1723614A (zh) 通过动态调节有源器件的偏置和供电来保持无隔离器的功率放大器的线性
EP1357664A3 (de) Verstärker mit variabler Verstärkung
CN1216459C (zh) 振荡装置
KR100303309B1 (ko) 이동통신단말기에서전류제어를통한증폭기의선형성개선장치
CN1524338A (zh) 通信系统以及包含这种通信系统的装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication